[Metalab] Please don't use our Mendel90 Dibond 3D Printer until it is fixed. Need help

[Sebastian Bachmann]

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@screws: try Schrauben Clausen in Neubaugasse, if they do not have it
next to it is petzolt, maybe they have them...
@ptfe: maybe haberkorn, otherwise Hostra GmbH.

hth!

On 12/12/2014 07:26 PM, Michael Kafka wrote:
> Hi all,
> 
> it looks like there are some important parts missing from the
> hot-end assembly, especially a hollow-lock set screw like this
> one: http://www.mcmaster.com/#set-screws/=uzrymv
> 
> This hollow-lock screw holds the PTFE lining inside the nozzle
> holder: 
> http://reprap.org/mediawiki/images/thumb/8/8c/Jhn_nozzle_holder_v5_metric.jpg/150px-Jhn_nozzle_holder_v5_metric.jpg
>
>  If this screw is missing and the PTFE lining is loose, the
> filament has not sufficient guidance while it is beeing fed into
> the melting chamber and the molten filament can completely mess up
> the hot end.
> 
> I have no idea who played around again and just put the broken 3D
> printer back without saying a word, makes me sad...
> 
> Please be a little more disciplined when working with expensive and
> maintenance-intensive machinery.
> 
> I'll try to get the parts tomorrow,
> 
> Where can I get a screw like mentioned above? (5/16-24 hollow-lock
> socket set screw )
> 
> Where can I get PTFE (vulgo Teflon) tubes? (metric: 6.35 mm OD,
> 3.175mm ID)
> 
> Greets,
> 
> MiKa
> 
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> list Metalab at lists.metalab.at 
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> 
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